diff --git a/BloubWorld/bloubspace.f90 b/BloubWorld/bloubspace.f90
index 4738154..68a6118 100644
--- a/BloubWorld/bloubspace.f90
+++ b/BloubWorld/bloubspace.f90
@@ -88,10 +88,10 @@ module bloubspace
       blb%py = 0.0
       blb%age = blb%age + 1
     endif
-    if (5.0 .lt. blb%py) then
+    if (4.99 .lt. blb%py) then              !!
       blb%vy = -1.0 * blb%vy
       blb%age = blb%age + 1
-      blb%py = 5.0
+      blb%py = 4.99                         !!
     endif
 
     if (5.0 .lt. blb%pz) then
diff --git a/BloubWorld/essai.f90 b/BloubWorld/essai.f90
index 78ee35a..81cadce 100644
--- a/BloubWorld/essai.f90
+++ b/BloubWorld/essai.f90
@@ -5,12 +5,15 @@ program essai
 
   integer                     :: foo
   real                        :: quux
+  double precision            :: somme
 
   call init_random_seed()
+  somme = 0.0
 
   do foo=1, 200000
     quux = rand()
-    print *, foo, quux
+    somme = somme + quux
+    print *, foo, quux, somme/foo
   enddo
 
 end program
\ No newline at end of file
diff --git a/BloubWorld/exportbloubs.f90 b/BloubWorld/exportbloubs.f90
index ea22cfa..ecad94a 100644
--- a/BloubWorld/exportbloubs.f90
+++ b/BloubWorld/exportbloubs.f90
@@ -32,7 +32,7 @@ program genbloubs
     if (0 .ne. errcode) then
       exit
     endif
-    print *, bloub%px, bloub%py, bloub%pz, bloub%radius
+    print *, bloub%px, bloub%py, bloub%pz, bloub%radius, bloub%age
     compte = compte + 1
   enddo
   
diff --git a/BloubWorld/mergebloubs.f90 b/BloubWorld/mergebloubs.f90
index 3ec40db..8112c35 100644
--- a/BloubWorld/mergebloubs.f90
+++ b/BloubWorld/mergebloubs.f90
@@ -70,6 +70,11 @@ program mergebloubs
   do                 ! infinite loop
 
     print *, "============ PASS ", idx
+    if (idx .EQ. NB_MAX_BLOUBS) then
+      write(0, '(I8, A)') idx, " max number of bloubs reached"
+      exit
+    endif
+
     ! read the next bloub from input file
     read (unit=inu, iostat=errcode) bloub
       if (0 .ne. errcode) then
@@ -89,9 +94,7 @@ program mergebloubs
         ! call display_bloub(les_bloubs(i), "DEAD ? WTF ?")
         cycle
       endif
-
       rval = distance_of_bloubs(les_bloubs(i), bloub)
-
       if (rval .LT. (les_bloubs(i)%radius + bloub%radius)) then
         print *, "contact : ", i, idx, rval
         call merge_two_bloubs(les_bloubs(i), bloub, newbloub)
@@ -99,16 +102,21 @@ program mergebloubs
         nbr_merge = nbr_merge + 1
         merged = .TRUE.
       endif
-
     enddo
+
     if (merged) then
-      ! put new bloub in the list
       les_bloubs(idx) = newbloub
+      bloub = newbloub
     else
       ! put old bloub in the list
       les_bloubs(idx) = bloub
     endif
 
+    write(outu, iostat=errcode) bloub     ! no error control ?
+    if (0 .ne. errcode) then
+      STOP " : WRITE ERROR TO " // trim(outfile)
+    endif
+
     idx = idx + 1
 
     ! print *, "idx = ", idx
diff --git a/BloubWorld/movebloubs.f90 b/BloubWorld/movebloubs.f90
index be66b9e..d65098b 100644
--- a/BloubWorld/movebloubs.f90
+++ b/BloubWorld/movebloubs.f90
@@ -54,7 +54,7 @@ program movebloubs
     endif
 
     ! moving and boundingboxing
-    call move_bloub    (bloub, 0.15)
+    call move_bloub    (bloub, 0.14)
     call bound_a_blob  (bloub)
     call green_soylent (bloub)
     if (.NOT. bloub%alive) then
@@ -78,10 +78,10 @@ program movebloubs
   ! ok, we have read all the bloubs in the input file
 
   ! insert some fancy conditional here
-  if (compteur .LT. 1500) then
-
-    call add_more_bloubs(outu, 8, 0.075)
-
+  if (compteur .LT. 1600) then
+    if (rand() .LT. 0.05) then
+      call add_more_bloubs(outu, 8, 0.052)
+    endif
   endif
 
   close(inu)    ;    close(outu)
@@ -104,13 +104,15 @@ contains
   type(t_bloubs)             :: bloub
   integer                    :: foo
 
+  write(0, '(A,I4,1X,A)') "adding", nbre, "bloubs"
+
   do foo=1, nbre
 
     bloub%nick = 'newbie  '
-    bloub%alive = .TRUE.
     call random_pv(bloub)
     bloub%radius = wtf
-    bloub%age   = foo
+    bloub%age   = 1
+    bloub%alive = .TRUE.
     ! call display_bloub (bloub, "new bloub")
     write(un) bloub              ! no error control ?
 
diff --git a/BloubWorld/runme.sh b/BloubWorld/runme.sh
index f3753fe..fbdb0cd 100755
--- a/BloubWorld/runme.sh
+++ b/BloubWorld/runme.sh
@@ -7,7 +7,7 @@
 
 INCFILE="bloubs.inc"
 TMPPNG="/dev/shm/bloubs7.png"
-POVOPT="+Q5 -a -v -d -W920 -H600 -WT2"
+POVOPT="+Q9 +a -v -d -W960 -H640 -WT2"
 DDIR="frames"
 LOGERR="log.error"
 
@@ -15,7 +15,7 @@ LOGERR="log.error"
 BLBS_IN="/dev/shm/in.blbs"
 BLBS_OUT="/dev/shm/out.blbs"
 
-NBIMG=600
+NBIMG=1200
 
 make all
 err=$?
@@ -67,7 +67,7 @@ do
 	mv ${BLBS_OUT} ${BLBS_IN}
 	echo
 
-	sleep 33
+	sleep  9
 
 done
 
diff --git a/BloubWorld/toinc.awk b/BloubWorld/toinc.awk
index d6d0b18..5afd78a 100644
--- a/BloubWorld/toinc.awk
+++ b/BloubWorld/toinc.awk
@@ -11,8 +11,12 @@ BEGIN	{
 	}
 
 	{
-	printf "\t\tsphere { <%f, %f, %f>, %f }\n",		\
-			  $1, $2, $3,  $4
+	if ($5 > 4)	color = "Magenta"
+	else		color = "Cyan"
+
+	pigment = "pigment { color " color " }"
+	printf "\t\tsphere { <%f, %f, %f>, %f %s }\n",		\
+			  $1, $2, $3,  $4, pigment
 	count++
 	}